My physics teacher gave us sheets last year with what was on every paper (for units 1 and 2) up until 2014 with predictions for what will be on the 2015 paper and it wad quite good tbh! I was going to ask for them again this year but he just left to go and work somewhere else a few weeks ago which is always great this close to exams! I might have to ask another teacher if theres an email i can contact him with to try and get them ahahah if i manage to get them, ill post them up here!